Deuterated stilbene (stilbene-d12): An improved detector for fast neutrons

Becchetti, F. D.; Torres-Isea, R. O.; Di Fulvio, A.; Pozzi, S. A.; Nattress, J.; Jovanovic, I.; Febbraro, M.; Zaitseva, N.; Carman, L.

doi:10.1016/j.nima.2018.08.021

Deuterated stilbene (stilbene-d₁₂): An improved detector for fast neutrons

Journal Article · Fri Aug 31 00:00:00 EDT 2018 · Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment

DOI:https://doi.org/10.1016/j.nima.2018.08.021· OSTI ID:1479728

Becchetti, F. D. ^[1]; Torres-Isea, R. O. ^[1]; Di Fulvio, A. ^[2]; Pozzi, S. A. ^[2]; Nattress, J. ^[2]; Jovanovic, I. ^[2]; Febbraro, M. ^[3]; Zaitseva, N. ^[4]; Carman, L. ^[4]

Univ. of Michigan, Ann Arbor, MI (United States). Dept. of Physics
Univ. of Michigan, Ann Arbor, MI (United States). Dept. of Nuclear Engineering and Radiological Sciences
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

Here, we have developed and evaluated two prototype fast neutron deuterated-stilbene scintillators. The largest scintillator is hexagonal in shape with volume 32 cm³, comprised of deuterated crystalline trans-stilbene (stilbene-d₁₂). These samples were grown using a solution-based crystal growing method developed at Lawrence Livermore Laboratory to grow conventional ¹H-based stilbene scintillator crystals. The stilbene-d₁₂ prototype detectors show excellent neutron/gamma discrimination, noticeably better than ¹H-stilbene, and appear to have less asymmetry in the response to neutrons incident from different directions. Finally, like other deuterated scintillators, the stilbene-d₁₂ detectors in many applications can provide incident neutron energy spectra, without time of flight, by suitably unfolding the neutron light-output spectra.

View Accepted Manuscript (DOE)

Research Organization:: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Michigan, Ann Arbor, MI (United States)

Sponsoring Organization:: Dept. of Homeland Security (DHS) (United States); National Science Foundation (NSF) (United States); USDOE National Nuclear Security Administration (NNSA); USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation (NA-20); USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)

Grant/Contract Number:: AC05-00OR22725; AC52-07NA27344; NA0002534

OSTI ID:: 1479728

Alternate ID(s):: OSTI ID: 1512599
OSTI ID: 1692072
OSTI ID: 23064744

Report Number(s):: LLNL-JRNL--757244

Journal Information:: Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment, Journal Name: Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment Vol. 908; ISSN 0168-9002

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Cited By (1)

Critical Review of Scintillating Crystals for Neutron Detection Cieślak, Michał; Gamage, Kelum; Glover, Robert Crystals, Vol. 9, Issue 9 https://doi.org/10.3390/cryst9090480	journal	September 2019

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